Video

Nov. 18: A new study finds males of many species have more varied personality traits than the females. Dr. Nancy Snyderman gives her take on this, along with ancient heart disease and longevity pills in “The Spin Doctor.”

Oct. 12: Arizona investigators are looking into the possibility of criminal negligence after two people died, and more than a dozen sickened, in a sweat lodge retreat. Dr. Nancy Snyderman talks with alternative medicine specialist Dr. Tom Bolte about the qualifications of new age healers.

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